A sport boat starter is a device that is used to start the engine of a sport boat. It consists of an electric motor and a starter solenoid, which work together to turn the engine over and get it running. The starter is typically located near the front of the engine and is connected to the engine's crankshaft through a series of gears. To start the engine, the starter solenoid receives an electrical signal from the boat's ignition system, and this causes the electric motor to turn the starter gears. The starter gears then engage with the engine's crankshaft and turn it over, which in turn starts the engine. Once the engine is running, the starter is disengaged and the engine takes over the task of turning the crankshaft. The starter is an important component of a boat's propulsion system, and proper maintenance and care are important to ensure its smooth and reliable operation.